* {
    margin: 0;
    padding: 0;
}

.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    overflow: hidden;
}

body {
    margin: 0;
    /*background: #efefef;*/
}

a {
    color: inherit;
    text-decoration: none;
}

li {
    list-style: none;
}

.bdy {
    display: none;
}

.loading_animation {
    position: fixed;
    width: 100%;
    height: 100vh;
    z-index: 1;
    display: flex;
    justify-content: center;
    overflow: auto;
}

.code {
    margin-top: 25px;
    position: absolute;
    margin-bottom: 25px;
    display: none;
}

.code_display {
    display: block;
}

.loading {
    position: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    bottom: 50%;
}

.loading::before,
.loading::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    animation: loading_animation 2s linear infinite;
    background: black;

}

.loading::after {
    animation-delay: 0.75s;
}

@keyframes loading_animation {
    from {
        height: 0;
        width: 0;
        opacity: 1;
    }

    to {
        height: 100px;
        width: 100px;
        opacity: 0;
    }
}

.clearfix::after {
    content: '';
    display: block;
    clear: both;
}

.top_nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    color: #b7b7b7;
    padding: 20px 0;
    transition: all 0.5s;
}

.top_nav.top_nav_bg {
    background: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.25);
    color: #3d4451;
    z-index: 1;
    padding: 10px 0;
}

.top_nav_inner {
    padding: 0 16px;
}

.top_nav .logo {
    float: left;
    font-size: 24px;
    font-family: 'Arial Black';
    padding: 3px 0 4px 0;
}

.top_nav .logo .rs {
    margin-right: 4px;
    color: #e6686a;
}

.top_nav .logo .card {
    color: #9a9da2;
}

.top_nav nav {
    float: right;
    padding: 7px 0 0 0;
}

.top_nav nav > ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.top_nav nav > ul > li {
    position: relative;
    float: left;
    margin: 0 17px 0 17px;
    white-space: nowrap;
}

.nav_list_ul {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    animation: ul_animation .5s;
    background: white;
    color: #3d4451;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.nav_list_ul > li {
    padding: 5px 10px;
}

.top_nav_inner > nav > ul > li.nav_list_show > .nav_list_ul {
    display: block;
}

.top_nav_inner > nav > ul > li.nav_list_show > a::after, .top_nav_inner > nav > ul > li.active > a::after {
    content: '';
    display: block;
    width: 100%;
    background: #e06567;
    height: 3px;
    animation: underline_animation .5s;
    position: absolute;
    top: 100%;
}

@keyframes underline_animation {
    0% {
        width: 0;
    }

    100% {
        width: 100%;
    }
}

@keyframes ul_animation {
    0% {
        margin-right: 100%;
    }

    100% {
        margin-right: 0;
    }
}


[data_x] {
    transform: translateY(200px);
}

[data_x].offsittop {
    transform: translateY(0);
    transition: all 0.3s;
}

.top_nav nav > ul > li > a {
    font-size: 12px;
    color: inherit;
    font-weight: bold;
    border-top: 3px solid transparent;
    border-bottom: 3px solid transparent;
    padding: 5px 0;
    display: block;
    position: relative;
}

.banner {
    height: 515px;
    background-image: url(../img/rs-cover.jpg);
    background-position: center center;
    background-size: cover;
}

.banner .mask {
    background-color: rgba(0, 0, 0, 0.8);
    height: 515px;
}

.user_card {
    max-width: 940px;
    margin: 0 auto;
    background: white;
    color: #000;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.24);
}

.user_card_PicAndTxt {
    padding: 50px;
}

.user_card_PicAndTxt > .user_pic {
    float: left;
    margin-right: 65px;
}

.welcome {
    background: #e6686a;
    padding: 4px 16px;
    color: white;
    position: relative;
    /*  */
    display: inline-block;
    line-height: 22px;
    margin-bottom: 10px;
}

.welcome::before {
    content: '';
    height: 0;
    width: 0;
    position: absolute;
    display: block;
    top: 100%;
    left: 4px;
    border: 10px solid transparent;
    border-left: 10px solid #e6686a;
    border-top-width: 0;
}

.user_card_PicAndTxt > .user_txt {
    float: left;
    width: 470px;
}

.user_txt h1 {
    margin-top: 18px;
    font-weight: normal;
}

.user_txt hr {
    margin: 20px 0;
}

.user_txt dl dt {
    width: 30%;
    font-weight: bold;
    float: left;
    padding: 5px 0;
}

.user_txt dl dd {
    width: 70%;
    padding: 5px 0;
    color: #9da0a7;
}

.user_card_footer {
    background: #E6686A;
    text-align: center;
}

.user_card_footer a {
    margin: 16px;
    display: inline-block;
    border-radius: 50%;
    /* height: 40px; */
    width: 40px;
    line-height: 30px;
    padding: 5px 0;
}

.user_card_footer a:hover {
    background: #CF5D5F;
}

.user_card_footer svg {
    height: 30px;
    width: 30px;
    vertical-align: top;
    fill: white;
}

.main {
    margin-top: -340px;
    margin-bottom: 64px;
}

.download_center {
    text-align: center;
    margin: 32px 0;
}

.download {
    padding: 20px 55px;
    border: 1px solid #cdcfd1;
    border-radius: 3px;
    display: inline-block;
    font-size: 14px;
    font-weight: bold;
}

.download:hover {
    box-shadow: 0 5px 11px 0 rgba(0, 0, 0, 0.18), 0 4px 15px 0 rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.3s;
}

.self_introduction {
    margin: 0 auto;
    text-align: center;
    /* border: 1px solid rebeccapurple; */
    max-width: 940px;
    font-size: 18px;
    line-height: 1.8;
}

.self_skills {
    /* border: 1px solid rebeccapurple; */
    max-width: 940px;
    margin: 0 auto;
}

.self_skills > h2 {
    text-align: center;
    color: #3d4451;
    font-size: 34px;
    line-height: 1.2;
    font-weight: 600;
}

.self_skills > ol {
    background: white;
    padding: 10px 50px 50px 50px;
    margin-top: 30px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.24);
}

.self_skills > ol > li {
    list-style: none;
    float: left;
    width: 48%;
    margin-top: 38px
}

.self_skills > ol > li > h3 {
    font-size: 14px;
    line-height: 1.1;
    font-weight: normal;
}

.self_skills > ol > li:nth-child(even) {
    /* border: 1px solid cadetblue; */
    float: right;
}

.skill_bar {
    height: 5px;
    /* border: 1px solid green; */
    background: #FAE1E1;
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.skill_bar::before {
    content: "";
    background: #E6686A;
    width: 50%;
    height: 100%;
    float: left;
    border-radius: 2px;
    transform: translateX(-100%);
}

.skill_bar11::before {
    transform: translateX(0);
    transition: all 1s;
}


.self_skills > ol > li:nth-child(1) > div::before {
    width: 10%;
}

.self_skills > ol > li:nth-child(2) > div::before {
    width: 20%;
}

.self_skills > ol > li:nth-child(3) > div::before {
    width: 30%;
}

.self_skills > ol > li:nth-child(4) > div::before {
    width: 40%;
}

.self_skills > ol > li:nth-child(5) > div::before {
    width: 50%;
}

.self_skills > ol > li:nth-child(6) > div::before {
    width: 60%;
}

.works {
    /* border: 1px solid red; */
    max-width: 940px;
    margin: 0 auto;
    margin-top: 64px;
    margin-bottom: 100px;
    text-align: center;
}

.works > h2 {
    color: #3d4451;
    font-size: 34px;
    line-height: 1.2;
    font-weight: 600;
}

.works > nav {
    /* border: 1px solid red; */
    display: inline-block;
    margin-top: 32px;
}

.works > nav > ol > li {
    list-style: none;
    float: left;
    margin-left: 40px;
    cursor: pointer;
}

.works > nav > ol > li:first-child {
    margin-left: 0;
}

.works_bar {
    /* border: 1px solid blue; */
    height: 5px;
    background: white;
    margin-top: 5px;
    margin-bottom: 28px;
    border-radius: 2px;
}

.works_bar_inner {
    height: 100%;
    background: #E6686A;
    border-radius: 2px;
    width: 50px;
    transition: all 0.3s;
}

.works_bar_inner2 {
    height: 100%;
    background: #E6686A;
    border-radius: 2px;
    margin-left: 65px;
    width: 50px;
    transition: all 0.3s;
}

.works_bar_inner3 {
    height: 100%;
    background: #E6686A;
    border-radius: 2px;
    margin-left: 140px;
    width: 95px;
    transition: all 0.3s;
}

.works_list {
    /* border: 1px solid royalblue; */
    height: 597px;
    position: relative;
}

.works_list > div {
    float: left;
    position: absolute;
}

.works_list > div:nth-child(n+2) {
    left: 645px;
}

.works_list > div:nth-child(3) {
    top: 312px
}

.msgs {
    max-width: 940px;
    margin: 0 auto;
}

.msgs > h2 {
    text-align: center;
    color: #3d4451;
    font-size: 34px;
    line-height: 1.2;
    font-weight: 600;
}

.msgs > ol > li {
    padding: 15px;
    border-top: 1px solid #DDD;
}

.msgs > ol > li:last-child {
    border-bottom: 1px solid #DDD;
}

.msgs > form {
    margin: 15px;
    text-align: center;
}